The ADV7513 is designed to meet HDMI specifications. The HDMI specifications specify cable impedance, not length. The given script are optimized for the widest range of cables possible. That being said you can lower Rext a bit to increase output voltage swing however we only test the device with recommended values.

The ADV7513 is designed to meet HDMI specifications. The HDMI specifications specify cable impedance, not length. The given script are optimized for the widest range of cables possible. That being said you can lower Rext a bit to increase output voltage swing however we only test the device with recommended values.